You just know someones parents, a long time ago, found this music as abrasive as our parents think Korn or Papa Roach or some other form of cacophonous no-goodery.
We used to call these manic propellers 'wheel dodgers'. I say, they'd dodge the trolleys and fishmongers in all manners of hooliganry! You'll note that this rolling trend comes from gay Paree, well I tell you once the Kaiser was defeated all manner of Parisians decided to attempt new methods of transportation to show their enthusiasm. Wheeling about has shown the Germans who is boss, and I dare say they won't cross our region again!
Just think: if there were more polio, there'd be more leg braces lying around. We could be doing this today, if we had just fucking relaxed about polio a little.